Pharmacodynamics Quiz

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Which term describes a drug interaction where one drug increases the effect of another?

Antagonistic

Potentiating (correct)

Additive

Synergistic

What is the term for a drug that counteracts the effects of another by binding to the same receptor?

Non-competitive antagonist

Physiological antagonist

Competitive antagonist (correct)

Partial agonist

What is the term for a drug response curve that shows the proportion of individuals responding at different doses?

Frequency distribution curve

Quantal dose response curve (correct)

Therapeutic index curve

Cumulative frequency distribution curve

What is the term for the phenomenon where a drug response diminishes after repeated administration?

Desensitization Signup and view all the answers

What type of drug interaction is described as 'The response elicited by combined drugs is equal to the combined responses of the individual drugs'?

Addition Signup and view all the answers

What is the term for a drug which has no effect by itself but enhances the effect of another drug?

Potentiation Signup and view all the answers

What is the term for the process where a drug response may change over time due to reduced responsiveness of the drug's target cells?

Desensitization Signup and view all the answers

What is the term for a drug response that may change over time due to an increase in the number of receptors available for drug binding?

Receptor up-regulation Signup and view all the answers

What is the term for a drug response that may change over time due to a decrease in the number of receptors available for drug binding?

Receptor down-regulation Signup and view all the answers

What is the term for a drug response that may change over time due to an increased sensitivity of the drug's target cells?

Supersensitivity Signup and view all the answers

Which term describes a drug interaction where the response elicited by combined drugs is greater than the combined responses of the individual drugs?

Synergism Signup and view all the answers

What is the term for a drug interaction where the response elicited by combined drugs is lower than the response of the individual drug?

Antagonism Signup and view all the answers

Pharmacodynamics Quiz

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Questions and Answers

Which term describes a drug interaction where one drug increases the effect of another?

What is the term for a drug that counteracts the effects of another by binding to the same receptor?

What is the term for a drug response curve that shows the proportion of individuals responding at different doses?

What is the term for the phenomenon where a drug response diminishes after repeated administration?

What type of drug interaction is described as 'The response elicited by combined drugs is equal to the combined responses of the individual drugs'?

What is the term for a drug which has no effect by itself but enhances the effect of another drug?

What is the term for the process where a drug response may change over time due to reduced responsiveness of the drug's target cells?

What is the term for a drug response that may change over time due to an increase in the number of receptors available for drug binding?

What is the term for a drug response that may change over time due to a decrease in the number of receptors available for drug binding?

What is the term for a drug response that may change over time due to an increased sensitivity of the drug's target cells?

Which term describes a drug interaction where the response elicited by combined drugs is greater than the combined responses of the individual drugs?

What is the term for a drug interaction where the response elicited by combined drugs is lower than the response of the individual drug?

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